... Tank Group,certificate:CE,ISO9001:2008 3000M3 CNG Spherical Tank GroupSpecification:Material of Spherical shell plates16MnR, 16MnDR, 15MnNbR ... Oxygen, Nitrogen, Ammonia, Vinyl Chloride, natural gas, argon, Hydrogen, Liquefied Gas, LPG, LNG, Coal Gas, Water Gas, Compressed Air, Vacuum, Liquid Ammonia, Liquid ... , etc.Cubage DimensionFrom 50m³ to 10000m³ 50m³--- 10000m³ 3000M3 CNG Spherical Tank Group